PHP Unconference Europe 2015

SeekableIterator::seek

(PHP 5 >= 5.1.0)

SeekableIterator::seekSeeks to a position

Descrição

abstract public void SeekableIterator::seek ( int $position )

Seeks to a given position in the iterator.

Parâmetros

position

The position to seek to.

Valor Retornado

Não há valor retornado.

Erros

Implementations should throw an OutOfBoundsException if the position is not seekable.

Exemplos

Exemplo #1 SeekableIterator::seek() example

Seek to the item at position 3 in the iterator (ArrayIterator implements SeekableIterator).

<?php
$array 
= array("apple""banana""cherry""damson""elderberry");
$iterator = new ArrayIterator($array);
$iterator->seek(3);
echo 
$iterator->current();
?>

O exemplo acima irá imprimir algo similar à:

damson

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